LPS25HB High-robustness pressure sensorwearable technology such as sports watches, smart watches,...

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www.st.com/pressure LPS25HB High-robustness pressure sensor STMicroelectronics LPS25HB pressure sensor integrates ST’s consolidated pressure sensor’s technology with the new fully molded package to further improve robustness, reliability and moisture resistance while reducing package thickness. With its ultra-low height of 0.76 mm, the LPS25HB offers high design flexibility and easy implementation into multi- functional applications: from smartphones, tablets and wearable technology such as sports watches, smart watches, fitness bands and Internet-of- Things (IoT) products. MEMS pressure sensor: 260-1260 hPa absolute digital output barometer APPLICATIONS Weather forecast Barometric altitude Ascent/descent detection Vertical speed indication Indoor navigation (floor detection) Enhanced GPS navigation KEY FEATURES 260 to 1260 hPa digital output barometer Current consumption: 4 μA Selectable ODR from 1 Hz to 25 Hz SPI and I 2 C Embedded FIFO Supply voltage: 1.7 to 3.6 V

Transcript of LPS25HB High-robustness pressure sensorwearable technology such as sports watches, smart watches,...

Page 1: LPS25HB High-robustness pressure sensorwearable technology such as sports watches, smart watches, fitness bands and Internet-of-Things (IoT) products. MEMS pressure sensor: 260-1260

www.st.com/pressure

LPS25HB High-robustness pressure sensor

STMicroelectronics LPS25HB pressure sensor integrates ST’s consolidated pressure sensor’s technology with the new fully molded package to further improve robustness, reliability and moisture resistance while reducing package thickness.With its ultra-low height of 0.76 mm, the LPS25HB offers high design flexibility and easy implementation into multi-functional applications: from smartphones, tablets and wearable technology such as sports watches, smart watches, fitness bands and Internet-of-Things (IoT) products.

MEMS pressure sensor: 260-1260 hPa absolute digital output barometer

APPLICATIONS• Weatherforecast

• Barometricaltitude

• Ascent/descentdetection

• Verticalspeedindication

• Indoornavigation(floordetection)

• EnhancedGPSnavigation

Key FeATureS• 260to1260hPadigitaloutputbarometer

• Currentconsumption:4μA

• SelectableODRfrom1Hzto25Hz

• SPIandI2C

• EmbeddedFIFO

• Supplyvoltage:1.7to3.6V

Page 2: LPS25HB High-robustness pressure sensorwearable technology such as sports watches, smart watches, fitness bands and Internet-of-Things (IoT) products. MEMS pressure sensor: 260-1260

© STMicroelectronics - December 2014 - Printed in United Kingdom - All rights reservedThe STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies

All other names are the property of their respective owners

For more information on ST products and solutions, visit www.st.comOrder code: FL1212LPS25HB1214

FIgure 1: LPS25HB BLOCK dIAgrAm

TheLPS25HBisanultra-thinpiezo-resistiveabsolutepressuresensor.

ItincludesamonolithicsensingelementandamixedsignalASIC,abletotaketheinformationfromthesensingelementandtoprovidethemeasurementinformationthroughdigitalserialinterfaces.

Thesensingelement,whichdetectsabsolutepressure,consistsofasuspendedmembranemanufacturedusingadedicatedprocessdevelopedbyST.

Thedevicemaybeconfiguredtogenerateinterrupteventsbasedonathresholdcrossing,whenanewsetofdataisavailableorbasedonFIFOstatus.Theeventisavailableonaregisteraswellasonadedicatedpin.

eVALuATION KITSSTeVAL-mKI109V2(Motherboard)

STeVAL-mKI165V1(Plug-inadapterwithLPS25HBsensor).

Oncetheadapterispluggedin,theboardcanbeconnectedtoahostPCviaUSBsothedevice’scapabilitiescanbeeasilyevaluatedviaanintuitivegraphicuserinterface.

X-NuCLeO-IKS01A1:MEMS&environmentalsensorsevaluationboardbasedonSTM32microcontroller,ArduinoUNOR3compliant.

Forfurtherinformationgotowww.st.com/pressure.

Test points

STM32microcontroller

USB connectorLPS25HB

JTAG/SWD

STEVAL-MKI109V2

STEVAL-MKIadapter

Order codes Temperature range (°C) Package Size Packing

LPS25HB, LPS25HBTr -30 to +105 HLGA-10L 2.5 x 2.5 x 0.76 mm Tray, Tape and reel

MUX AnalogFront-End

Pressure sensingelement

Temperaturesensor

ADC Digitalprocessing

I2CSPI